Heat and Mass Transfer The unit of overall coefficient of heat transfer is kcal/hr °C kcal/m² kcal/m hr °C kcal/m² hr °C kcal/hr °C kcal/m² kcal/m hr °C kcal/m² hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer According to Newton's law of cooling, the heat transfer from a hot body to a cold body is Both (A) and (B) Directly proportional to the difference of temperatures between the two bodies Either (A) or (B) Directly proportional to the surface area Both (A) and (B) Directly proportional to the difference of temperatures between the two bodies Either (A) or (B) Directly proportional to the surface area ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer The energy distribution of an ideal reflector at higher temperatures is largely in the range of Remain same at all wavelengths Wavelength has nothing to do with it Shorter wavelength Longer wavelength Remain same at all wavelengths Wavelength has nothing to do with it Shorter wavelength Longer wavelength ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer In heat transfer, conductance equals conductivity (kcal/hr/sq.m/°C/cm) divided by °C (temperature) K.cal (heat) Sq. m (area) Hr (time) °C (temperature) K.cal (heat) Sq. m (area) Hr (time) ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal diffusivity is kcal/m² hr m²/hr m²/hr °C kcal/m. hr °C kcal/m² hr m²/hr m²/hr °C kcal/m. hr °C ANSWER DOWNLOAD EXAMIANS APP
Heat and Mass Transfer Unit of thermal conductivity in S.I. units is Option (B) and (C) above J/m² sec W/m °K J/m °K sec Option (B) and (C) above J/m² sec W/m °K J/m °K sec ANSWER DOWNLOAD EXAMIANS APP